bloxstrap/Bloxstrap/UI/Elements/Menu/Pages/AppearancePage.xaml

<ui:UiPage x:Class="Bloxstrap.UI.Elements.Menu.Pages.AppearancePage"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
      xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml"
      xmlns:controls="clr-namespace:Bloxstrap.UI.Elements.Controls"
      xmlns:resources="clr-namespace:Bloxstrap.Resources"
      mc:Ignorable="d"
      d:DesignHeight="520" d:DesignWidth="800"
      Title="AppearancePage"
      Scrollable="True">
    <StackPanel Margin="0,0,14,14">
        <TextBlock Text="{x:Static resources:Strings.Menu_Appearance_Description}" FontSize="14" Foreground="{DynamicResource TextFillColorSecondaryBrush}" />

        <controls:OptionControl 
            Header="{x:Static resources:Strings.Menu_Appearance_Theme_Title}" 
            Description="{x:Static resources:Strings.Menu_Appearance_Theme_Description}">
            <ComboBox Width="200" Padding="10,5,10,5" ItemsSource="{Binding Themes, Mode=OneTime}" Text="{Binding Theme, Mode=TwoWay}">
                <ComboBox.ItemTemplate>
                    <DataTemplate>
                        <TextBlock Text="{Binding Path=., Converter={StaticResource ResourceConverter}, ConverterParameter='Enums.Theme.'}" />
                    </DataTemplate>
                </ComboBox.ItemTemplate>
            </ComboBox>
        </controls:OptionControl>

        <controls:OptionControl 
            Header="{x:Static resources:Strings.Menu_Appearance_Style_Title}" 
            Description="{x:Static resources:Strings.Menu_Appearance_Style_Description}">
            <ComboBox Width="200" Padding="10,5,10,5" ItemsSource="{Binding Dialogs, Mode=OneTime}" Text="{Binding Dialog, Mode=TwoWay}">
                <ComboBox.ItemTemplate>
                    <DataTemplate>
                        <TextBlock Text="{Binding Path=., Converter={StaticResource ResourceConverter}, ConverterParameter='Enums.BootstrapperStyle.'}" />
                    </DataTemplate>
                </ComboBox.ItemTemplate>
            </ComboBox>
        </controls:OptionControl>

        <controls:OptionControl 
            Header="{x:Static resources:Strings.Menu_Appearance_Icon_Title}" 
            Description="{x:Static resources:Strings.Menu_Appearance_Icon_Description}">
            <Grid Width="200">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="*" />
                </Grid.ColumnDefinitions>
                <Border Grid.Column="0" Width="28" Height="28" Margin="0,0,5,0">
                    <Border.Background>
                        <ImageBrush ImageSource="{Binding IconPreviewSource, Mode=OneWay}" />
                    </Border.Background>
                </Border>
                <ComboBox Grid.Column="1" Margin="5,0,0,0" Padding="10,5,10,5" ItemsSource="{Binding Icons, Mode=OneTime}" Text="{Binding Icon, Mode=TwoWay}">
                    <ComboBox.ItemTemplate>
                        <DataTemplate>
                            <TextBlock Text="{Binding Path=., Converter={StaticResource ResourceConverter}, ConverterParameter='Enums.BootstrapperIcon.'}" />
                        </DataTemplate>
                    </ComboBox.ItemTemplate>
                </ComboBox>
            </Grid>
        </controls:OptionControl>

        <ui:CardExpander Margin="0,8,0,0" IsExpanded="False">
            <ui:CardExpander.Header>
                <Grid>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="*" />
                        <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <StackPanel Grid.Column="0">
                        <TextBlock FontSize="14" Text="{x:Static resources:Strings.Menu_Appearance_Customisation_Title}" />
                        <TextBlock Margin="0,2,0,0" FontSize="12" Text="{x:Static resources:Strings.Menu_Appearance_Customisation_Description}" Foreground="{DynamicResource TextFillColorTertiaryBrush}"  />
                    </StackPanel>
                </Grid>
            </ui:CardExpander.Header>
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition Height="*" />
                    <RowDefinition Height="*" />
                    <RowDefinition Height="*" />
                    <RowDefinition Height="*" />
                </Grid.RowDefinitions>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="120" />
                    <ColumnDefinition Width="*" />
                </Grid.ColumnDefinitions>
                <TextBlock Grid.Row="0" Grid.Column="0" Text="{x:Static resources:Strings.Menu_Appearance_CustomisationTitle_Title}" VerticalAlignment="Center" Foreground="{DynamicResource TextFillColorSecondaryBrush}" />
                <ui:TextBox Grid.Row="0" Grid.Column="1" Text="{Binding Title, Mode=TwoWay}" />
                <TextBlock Grid.Row="1" Grid.Column="1" Margin="0,4,0,0" FontSize="12" Text="{x:Static resources:Strings.Menu_Appearance_CustomisationTitle_Description}" Foreground="{DynamicResource TextFillColorTertiaryBrush}" />

                <TextBlock Grid.Row="2" Grid.Column="0" Margin="0,12,0,0"  Text="{x:Static resources:Strings.Menu_Appearance_CustomisationIcon_Title}" VerticalAlignment="Center" Foreground="{DynamicResource TextFillColorSecondaryBrush}" />
                <Grid Grid.Row="2" Grid.Column="1" Margin="0,12,0,0">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="*" />
                        <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <TextBox Grid.Column="0" Margin="0,0,4,0" Text="{Binding CustomIconLocation, Mode=TwoWay}" />
                    <ui:Button Grid.Column="1" Margin="4,0,0,0" Height="35" Icon="Folder24" Content="{x:Static resources:Strings.Common_Browse}" Command="{Binding BrowseCustomIconLocationCommand}" />
                </Grid>
                <TextBlock Grid.Row="3" Grid.Column="1" Margin="0,4,0,0" FontSize="12" Text="{x:Static resources:Strings.Menu_Appearance_CustomisationIcon_Description}" Foreground="{DynamicResource TextFillColorTertiaryBrush}" />
            </Grid>
        </ui:CardExpander>
        <ui:Button Content="{x:Static resources:Strings.Menu_Appearance_Preview}" HorizontalAlignment="Stretch" Margin="0,8,0,0" Command="{Binding PreviewBootstrapperCommand}" />
    </StackPanel>
</ui:UiPage>